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Measurement Microphones M23MP Earthworks

Measurement Microphones M23MP Earthworks



In stock
Warranty 12 months
Return within 7 days

The M30 is a precision engineered 23kHz omnidirectional measurement microphone ideally suited for acoustical measurements including loudspeaker design and quality control, sound system setup and troubleshooting, room acoustics, or any application where an accurate free-field measurement microphone is required.

Performance
Known for its reliable performance, the M23 delivers unparalleled audio results at an affordable cost. It has a flat frequency response that extends from 3Hz to 23kHz, an exceptionally consistent omnidirectional polar response, 140dB SPL rating without distortion and no handling noise.

Immune to most temperature and atmospheric fluctuations, the M23 delivers reliable and repeatable results in any environment.  

Extremely fast impulse response and linear phase response make the M23 ideal for use with high-quality FFT-based real-time audio system measurement software like SMAART™, SIM™, REW™, Electroacoustics Toolbox™, FuzzMeasure™ and others, as well as for use in PA system alignment and loudspeaker design.

Every M23 is individually hand-tuned and tested and is delivered with its own printed frequency response chart. An Electronic Calibration File (ECF) is generated for each microphone during final testing, and can be downloaded free of charge after product registration.

23kHz flat frequency response
Cost effective measurement microphone
Improved version of the SMAARTMIC™ previously offered by EAW
Ideally suited for acoustical measurements sound system setup and troubleshooting, room acoustics, or any application where an accurate free-field measurement microphone is required
Omnidirectional polar pattern
Flat frequency response, fast impulse response and exceptional polar characteristics
Used by SMAART™, MLSSA™, Spectrafoo™, TEF™ and RTA in addition to acoustic measurement systems manufactured by dbx, DEQX and others
Meets or exceeds ANSI Type 1 and applicable IEC 61094 requirements
Each M Series microphone is delivered with its own calibration chart providing its individually measured open-circuit sensitivity and the frequency response curve
Electronic Calibration File available
Operating Temp Range: -20 deg C to +60 deg C ( -4 deg. F to 140 deg. F)
Storage Temp Range: -40 deg C to +80 deg C ( -40 deg. F to 176 deg. F)
Humidity: Up to 90%
Re-calibration recommended every five (5) years

Frequency Response: 3Hz to 23kHz ±1/-3dB

Polar Pattern: Omnidirectional

Sensitivity: 34mV/Pa (-29dBV/Pa)

Power Requirements: 24 – 48V Phantom, 10mA

Max Acoustic Input: 140dB SPL

Output: XLR (pin 2+)

Output Impedance: 65Ω balanced (between pins 2 & 3)

Min Output Load: 600Ω between pins 2 & 3

Noise: 20dB SPL equivalent (A weighted)

Dimensions L x D: 165mm x 22mm (6.5 x .860 inches)

Weight: .35 lb. (160g)

https://earthworksaudio.com/products/microphones/measurement-series/m23/

M23-Data-Sheet-2018 Download
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